Nick Lachey and his bandmates will mark their 20th anniversary with the release of a second Christmas album, Let It Snow - the group's first since 2.0 in 2013.

"We wanted to do a project, in part, because it's the 20th anniversary," Lachey tells People magazine. "We thought, 'What a great chance to come back 20 years later and do something else'."

The band members still consider 1999's This Christmas their favorite musical project and they wanted to recreate that nostalgia when they started recording the new album.

"We thought, 'Why not do a second version of that?' and try to create the same type of timeless classic sound that we thought we accomplished in the first one," Nick adds. "It just made the most sense. We loved the first record and we're loving the second record, too."

The group has not revealed what songs will be included on the album, but the record will feature an original track.

"We have two a cappella songs on this record... A cappella has been something that we've always done and prided ourselves on, so there's that element," Lachey's bandmate brother Drew adds. "Then we just literally went down our favourite Christmas songs and figured out which would work well and compliment each other. We didn't just want song after song, we wanted a journey."